<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta name="renderer" content="webkit">
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
    <title>showme admin</title>
    <style>
        * {
            padding: 0;
            margin: 0;
        }

        .h-text {
            width: 100%;
            text-align: center;
            font-size: 38px;
            top: 50%;
            left: 50%;
            -webkit-transform: translate(-50%, -50%);
            transform: translate(-50%, -50%);;
            position: absolute;
        }
    </style>
</head>
<body>
<div class="h-text">
    <p class="l-zh">为了更好的使用体验，请关闭“开发者模式”。</p>
    <p class="l-en">For better experience, please inactive "dev" mode.</p>
</div>
<script language="javascript">
    //防止页面后退
    history.pushState(null, null, document.URL);
    window.addEventListener('popstate', function () {
        history.pushState(null, null, document.URL);
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</script>
</body>
</html>